Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/60-16 | 185/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 24.01 (609.9) | -2.38 (-60.5) -9% |
| Width inches (mm) | 8.66 (220) | 7.28 (185) | -1.38 (-35) -15.9% |
| Circum. inches (mm) | 82.92 (2106.12) | 75.44 (1916.06) | -7.48 (-190.07) -9% |
| Sidewall Height inches (mm) | 5.2 (132) | 4.01 (101.75) | -1.19 (-30.25) -22.9% |
| Revolutions per mile (km) | 764.13 (474.81) | 839.92 (521.9) | 75.8 (47.1) 9.9% |
185/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.2 mph (29.28 km/h) |
| 25 mph (40.23 km/h) | 22.74 mph (36.6 km/h) |
| 30 mph (48.28 km/h) | 27.29 mph (43.92 km/h) |
| 35 mph (56.33 km/h) | 31.84 mph (51.24 km/h) |
| 40 mph (64.37 km/h) | 36.39 mph (58.56 km/h) |
| 45 mph (72.42 km/h) | 40.94 mph (65.89 km/h) |
| 50 mph (80.47 km/h) | 45.49 mph (73.21 km/h) |
| 55 mph (88.51 km/h) | 50.04 mph (80.53 km/h) |
| 60 mph (96.56 km/h) | 54.59 mph (87.85 km/h) |
| 65 mph (104.61 km/h) | 59.13 mph (95.17 km/h) |
| 70 mph (112.65 km/h) | 63.68 mph (102.49 km/h) |
| 75 mph (120.7 km/h) | 68.23 mph (109.81 km/h) |
| 80 mph (128.75 km/h) | 72.78 mph (117.13 km/h) |
| 85 mph (136.79 km/h) | 77.33 mph (124.45 km/h) |
| 90 mph (144.84 km/h) | 81.88 mph (131.77 km/h) |
| 95 mph (152.89 km/h) | 86.43 mph (139.09 km/h) |
| 100 mph (160.93 km/h) | 90.98 mph (146.41 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2137 | 2483 | 2674 | 2792 | 2920 | 3011 | 3111 | 3229 | 3393 | 3556 | 3738 | 3884 | 4148 | 4439 | 4666 | 4812 | 4893 | 5194 | 5612 | 6521 |
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